2. 职称英语
  3. Medical studies are providing increasing evidence that alternative therapies are

Medical studies are providing increasing evidence that alternative therapies are

游客2023-12-31  57
问题 Medical studies are providing increasing evidence that alternative therapies are beneficial and patients are gradually demanding it.
选项 A、benefit patients and they are gradually demanding it
B、are beneficial; and that patients are gradually demanding it
C、have benefits and patients are gradually demanding it
D、are beneficial and patients are gradually demanding them
答案 D
解析 越来越多的医学研究证据表明，替代疗法大有益处，患者对代替疗法的需求量逐步增加。本题考查重点是指示代词的用法。题干画线部分中的it只能指代单数名词或不可数名词，根据回指原则，前文中只有evidence符合要求，但这样就成了“患者要求得到证据”，放入整个句子语义上说不通。根据句意可知，患者要求的应是alternative therapies，故应使用them，所以选项A、B和C均错误。至于that从句的谓语形式，are beneficial，benefit patients，have benefits都是可以接受的。
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